Fix feature spec selector using FA icons

- Add changlog

changelogs/unreleased/225187-replace-fa-comment-icons-with-gitlab-svg-comment-icon.yml

+---
+title: Replace fa-comment / fa-comments icons with GitLab SVG
+merge_request: 36206
+author:
+type: changed

spec/features/issuables/issuable_list_spec.rb

@@ -30,7 +30,7 @@ RSpec.describe 'issuable list', :js do
 
       expect(first('.issuable-upvotes')).to have_content(1)
       expect(first('.issuable-downvotes')).to have_content(1)
-      expect(first('.fa-comments').find(:xpath, '..')).to have_content(2)
+      expect(first('.issuable-comments')).to have_content(2)
     end
 
     it 'sorts labels alphabetically' do